Extreme AdBlocker is free for a few days (usually $0.99). Here’s what the product description says:
Extreme AdBlocker has a constantly growing and updated list of predefined filters for you to choose from. Unlike other content filtering products Extreme AdBlocker DOES NOT act as a proxy server or subscription based VPN for all your traffic, so your connection stays direct, fast and private! Content filtering takes place right on your device.
Considering the world of adblockers is one where the good ones cost money, grab this now. What’ve you got to lose?